16 Paper and cardboard; printed lessons in the fields of art, printing, bookbinding; bookbinding material for creating hardcover books, namely, book covers, crack and peel binding paper, reinforcement strips, peel and stick labels, stapler and staples; printed photographs; stationery and office requisites, namely, staplers; adhesives for stationery or household purposes; drawing materials for blackboards and materials for artist, namely, molds for modelling clays; paintbrushes; printed instructional and teaching materials in the fields of art, printing and bookbinding; plastic sheets, films and bags for wrapping and packaging; printers' type, printing block